There are two files required.
Auto bed leveling gcode.
G28 auto homing g29 bed leveling normally the bed leveling map should be reused for all subsequent prints until the printer is turned off.
For auto bed leveling ubl see g29 ubl and g26 mesh editing.
Before leveling the bed the machine must be homed with g28.
With marlin 1 1 0 you can automatically run a g code file when powering on the printer with a sd card already present.
Add a file named auto0 g at the root of your card containing the following g code.
This establishes the current position and makes sure that the carriage won t try to move outside the physical limits.
Hi folks im trying to edit my start g code so while my printer is heating the nozzle and or the heatbed it will also perform auto bed leveling simultaneously.
The printer must be homed with g28 before g29.
1 first run the chep m0 bed level gcode file on your ender 3 or any similar size printer with an 8 bit board.
Begin automatic bed leveling with a plain g29 command.
Auto bed leveling bilinear probes a grid and produces a mesh to adjust z across the bed.
I was thinking about implementing it as the following.
This will use the settings as configured.